diff --git a/nezha-fronted/src/components/charts/chart-list.vue b/nezha-fronted/src/components/charts/chart-list.vue
index 5698c2398..7c771ed18 100644
--- a/nezha-fronted/src/components/charts/chart-list.vue
+++ b/nezha-fronted/src/components/charts/chart-list.vue
@@ -304,7 +304,8 @@ export default {
     obj: Object,
     panelLock: { type: Boolean, default: false },
     hasGroup: { type: Boolean, default: true },
-    panelDataList: Array
+    panelDataList: Array,
+    nowTimeType: {}
   },
 
   components: {
@@ -973,7 +974,12 @@ export default {
           let startTime = ''
           let endTime = ''
           if (filterType === 'refresh') { // 刷新
-            const now = new Date(bus.computeTimezone(new Date().getTime()))
+            let now = null
+            if (this.nowTimeType.id === 0 && this.nowTimeType.value === -1) {
+              now = new Date(this.filter.start_time)
+            } else {
+              now = new Date(bus.computeTimezone(new Date().getTime()))
+            }
             const origin = new Date(this.filter.end_time)
             const numInterval = now.getTime() - origin.getTime()
             if (numInterval >= 60000) { // 大于1分钟，则start、end均往后移numInterval，否则时间不变
diff --git a/nezha-fronted/src/components/common/ChartDiagram/diagram.vue b/nezha-fronted/src/components/common/ChartDiagram/diagram.vue
index c7ed153a4..bcaf34626 100644
--- a/nezha-fronted/src/components/common/ChartDiagram/diagram.vue
+++ b/nezha-fronted/src/components/common/ChartDiagram/diagram.vue
@@ -681,7 +681,7 @@ export default {
                 resolve({ data: '', status: 'no query' })
               })
             }
-            query += '&nullType=' + 'connected'
+            query += '&nullType=' + 'null'
             return this.$get('/prom/api/v1/query_range?query=' + query + '&start=' + this.$stringTimeParseToUnix(startTime) + '&end=' + this.$stringTimeParseToUnix(endTime) + '&step=' + step)
           })
         }
diff --git a/nezha-fronted/src/components/common/project/L5/topoTooltip.vue b/nezha-fronted/src/components/common/project/L5/topoTooltip.vue
index c3ff30469..6aebc46a2 100644
--- a/nezha-fronted/src/components/common/project/L5/topoTooltip.vue
+++ b/nezha-fronted/src/components/common/project/L5/topoTooltip.vue
@@ -74,7 +74,7 @@ export default {
   data () {
     return {
       tempDom: { height: 250, width: '' },
-      chartDataTemp: { id: 8832, prev: null, next: null, panelId: 0, title: '123', span: 12, height: 0, createAt: '2021-01-27 07:36:19', unit: 2, weight: 0, pid: null, buildIn: null, seq: null, param: { last: 0, legendValue: { total: 'off', min: 'off', avg: 'off', last: 'off', max: 'off' }, threshold: '', url: '', nullType: 'connected' }, sync: null, asset: null, isLoaded: true, from: '__vue_devtool_undefined__', draggable: true, resizable: true, editable: true },
+      chartDataTemp: { id: 8832, prev: null, next: null, panelId: 0, title: '123', span: 12, height: 0, createAt: '2021-01-27 07:36:19', unit: 2, weight: 0, pid: null, buildIn: null, seq: null, param: { last: 0, legendValue: { total: 'off', min: 'off', avg: 'off', last: 'off', max: 'off' }, threshold: '', url: '', nullType: 'null' }, sync: null, asset: null, isLoaded: true, from: '__vue_devtool_undefined__', draggable: true, resizable: true, editable: true },
       chartData: {},
       filter: {
         end_time: bus.timeFormate(bus.getOffsetTimezoneData(), 'yyyy-MM-dd hh:mm:ss'),
@@ -108,7 +108,7 @@ export default {
       chartData.param = {
         legendValue: { total: 'off', min: 'off', avg: 'off', last: 'off', max: 'off' },
         last: 0,
-        nullType: 'connected',
+        nullType: 'null',
         threshold: '',
         url: '',
         valueMapping: { mapping: [{ color: { bac: '#fff', text: '#000' }, text: '', value: '' }], type: 'text' },
diff --git a/nezha-fronted/src/components/common/project/topologyL5.vue b/nezha-fronted/src/components/common/project/topologyL5.vue
index b4064ca62..2285a6fb6 100644
--- a/nezha-fronted/src/components/common/project/topologyL5.vue
+++ b/nezha-fronted/src/components/common/project/topologyL5.vue
@@ -686,7 +686,7 @@ export default {
                 resolve({ data: '', status: 'no query' })
               })
             }
-            query += '&nullType=' + 'connected'
+            query += '&nullType=' + 'null'
             return this.$get('/prom/api/v1/query_range?query=' + query + '&start=' + this.$stringTimeParseToUnix(startTime) + '&end=' + this.$stringTimeParseToUnix(endTime) + '&step=' + step)
           })
         }
diff --git a/nezha-fronted/src/components/page/dashboard/panel.vue b/nezha-fronted/src/components/page/dashboard/panel.vue
index 245e44eeb..226e28115 100644
--- a/nezha-fronted/src/components/page/dashboard/panel.vue
+++ b/nezha-fronted/src/components/page/dashboard/panel.vue
@@ -82,7 +82,7 @@
         <div id="tableList" class="table-list">
           <div ref="dashboardScrollbar" id="dashboardScrollbar" class="border-t-1-de" style="height: calc(100% - 20px); overflow: auto;">
             <div class="box-content" v-loading="chartListLoading">
-              <chart-list ref="chartList" :class="{'show-top':showTopBtn}" :from="fromRoute.panel" :panel-lock="panelLock" @on-edit-chart="editChart" @on-refresh-time="refreshTime"  @on-remove-chart="delChart" @panel-list-loading="load" @on-add-group-item-chart="addGroupItem"></chart-list>
+              <chart-list :nowTimeType="nowTimeType" ref="chartList" :class="{'show-top':showTopBtn}" :from="fromRoute.panel" :panel-lock="panelLock" @on-edit-chart="editChart" @on-refresh-time="refreshTime"  @on-remove-chart="delChart" @panel-list-loading="load" @on-add-group-item-chart="addGroupItem"></chart-list>
             </div>
           </div>
         </div>
@@ -215,7 +215,8 @@ export default {
       filterPanel: '',
       // ---图表相关参数--end
       scrollbarWrap: null,
-      batchDeleteObjs: []
+      batchDeleteObjs: [],
+      nowTimeType: {}
     }
   },
   components: {
@@ -470,6 +471,7 @@ export default {
     // 选择日期变化
     dateChange (val) {
       const nowTimeType = this.$refs.pickTime.$refs.timePicker.nowTimeType
+      this.nowTimeType = this.$refs.pickTime.$refs.timePicker.nowTimeType
       this.setSearchTime(nowTimeType.type, nowTimeType.value, nowTimeType)
       this.filter.start_time = bus.timeFormate(this.searchTime[0], 'yyyy-MM-dd hh:mm:ss')
       this.filter.end_time = bus.timeFormate(this.searchTime[1], 'yyyy-MM-dd hh:mm:ss')